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| /*
| * Copyright (C) 2009 John Kacur <jkacur@redhat.com>
| *
| * error routines, similar to those found in
| * Advanced Programming in the UNIX Environment 2nd ed.
| */
| #include "error.h"
|
| /* Print an error message, plus a message for err and exit with error err */
| void err_exit(int err, char *fmt, ...)
| {
| va_list ap;
| va_start(ap, fmt);
| err_doit(err, fmt, ap);
| va_end(ap);
| exit(err);
| }
|
| /* print an error message and return */
| void err_msg(char *fmt, ...)
| {
| va_list ap;
| va_start(ap, fmt);
| err_doit(0, fmt, ap);
| va_end(ap);
| return;
| }
|
| /* Print an error message, plus a message for err, and return */
| void err_msg_n(int err, char *fmt, ...)
| {
| va_list ap;
| va_start(ap, fmt);
| err_doit(err, fmt, ap);
| va_end(ap);
| return;
| }
|
| /* print an error message and quit */
| void err_quit(char *fmt, ...)
| {
| va_list ap;
| va_start(ap, fmt);
| err_doit(0, fmt, ap);
| va_end(ap);
| exit(1);
| }
|
| void debug(char *fmt, ...)
| {
| va_list ap;
|
| va_start(ap, fmt);
| fputs("DEBUG: ", stderr);
| err_doit(0, fmt, ap);
| va_end(ap);
| }
|
| void info(char *fmt, ...)
| {
| va_list ap;
|
| va_start(ap, fmt);
| fputs("INFO: ", stderr);
| err_doit(0, fmt, ap);
| va_end(ap);
| }
|
| void warn(char *fmt, ...)
| {
| va_list ap;
|
| va_start(ap, fmt);
| fputs("WARN: ", stderr);
| err_doit(0, fmt, ap);
| va_end(ap);
| }
|
| void fatal(char *fmt, ...)
| {
| va_list ap;
|
| va_start(ap, fmt);
| fputs("FATAL: ", stderr);
| err_doit(0, fmt, ap);
| va_end(ap);
| exit(EXIT_FAILURE);
| }
|
| void err_doit(int err, const char *fmt, va_list ap)
| {
| vfprintf(stderr, fmt, ap);
| if (err)
| fprintf(stderr, ": %s\n", strerror(err));
| return;
| }
|
|
